package lab2.text36;

/**
 * Created by Administrator on 2017/11/21.
 */
public abstract class Student {
    String name;
    String type;
    double[] scores=new double[3];
    String grade;
    double calAverage(){
        return (scores[0]+scores[1]+scores[2])/3;
    }
    abstract  String calGrade();
}


